Magnifying lens



FIG. 1 is a perspective view showing our new design for a magnifying lens for a welding helmet;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The shading is provided to illustrate contour only and is not an indication of texture, gloss, etc. 

CLAIM The ornamental design for a magnifying lens, as shown and described. 